2005 Opel Astra vs. 2005 Pontiac Sunfire
To start off, both 2005 Opel Astra and 2005 Pontiac Sunfire were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,189 cc (4 cylinders), 2005 Pontiac Sunfire is equipped with a bigger engine. In terms of performance, 2005 Pontiac Sunfire (141 HP @ 5600 RPM) has 37 more horse power than 2005 Opel Astra. (104 HP @ 6000 RPM) In normal driving conditions, 2005 Pontiac Sunfire should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Sunfire weights approximately 51 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Pontiac Sunfire (203 Nm @ 4000 RPM) has 53 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 RPM). This means 2005 Pontiac Sunfire will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2005 Pontiac Sunfire | |
| Make | Opel | Pontiac |
| Model | Astra | Sunfire |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 2189 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 141 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 150 Nm | 203 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 94 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1210 kg | 1261 kg |
| Vehicle Length | 4260 mm | 4630 mm |
| Vehicle Width | 1760 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2640 mm | 2860 mm |
| Fuel Consumption Overall | 6.6 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 52 L | 76 L |
